forked from rebillar/site-accueil-insa
42 lines
1.2 KiB
PHP
42 lines
1.2 KiB
PHP
<?php
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/**
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* Matomo - free/libre analytics platform
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*
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* @link https://matomo.org
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* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
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*/
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namespace Piwik\Updater\Migration\Db;
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use Piwik\DbHelper;
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/**
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* @see Factory::dropColumn()
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* @ignore
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*/
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class DropColumns extends Sql
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{
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public function __construct($tableName, $columnNames)
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{
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$table = DbHelper::getTableColumns($tableName);
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// we need to remove all not existing columns. Otherwise if only one of the columns doesn't exist, all of
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// the columns wouldn't be removed
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$columnNames = array_filter($columnNames, function ($columnName) use ($table) {
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return isset($table[$columnName]);
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});
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if (empty($columnNames)) {
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parent::__construct('', static::ERROR_CODE_COLUMN_NOT_EXISTS);
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} else {
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$columnNames = array_unique($columnNames);
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$dropColumns = array_map(function ($columnName) {
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return sprintf('DROP COLUMN `%s`', $columnName);
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}, $columnNames);
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$sql = sprintf("ALTER TABLE `%s` %s", $tableName, implode(', ', $dropColumns));
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parent::__construct($sql, static::ERROR_CODE_COLUMN_NOT_EXISTS);
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}
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}
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}
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